Attention, ce verbe peut ne pas exister, la conjugaison est donnée à titre d'exemple.
Affirmation
Forme simple
I could fall. stumbel you could fall. stumbel he could fall. stumbel we could fall. stumbel you could fall. stumbel they could fall. stumbel
Forme en V-ing
I could be fall. stumbeling you could be fall. stumbeling he could be fall. stumbeling we could be fall. stumbeling you could be fall. stumbeling they could be fall. stumbeling
Perfect
I could have fall. stumbeled you could have fall. stumbeled he could have fall. stumbeled we could have fall. stumbeled you could have fall. stumbeled they could have fall. stumbeled
Perfect en V-ing
I could have been fall. stumbeling you could have been fall. stumbeling he could have been fall. stumbeling we could have been fall. stumbeling you could have been fall. stumbeling they could have been fall. stumbeling
Négation
Forme simple
I couldn't fall. stumbel you couldn't fall. stumbel he couldn't fall. stumbel we couldn't fall. stumbel you couldn't fall. stumbel they couldn't fall. stumbel
Forme en V-ing
I couldn't be fall. stumbeling you couldn't be fall. stumbeling he couldn't be fall. stumbeling we couldn't be fall. stumbeling you couldn't be fall. stumbeling they couldn't be fall. stumbeling
Perfect
I couldn't have fall. stumbeled you couldn't have fall. stumbeled he couldn't have fall. stumbeled we couldn't have fall. stumbeled you couldn't have fall. stumbeled they couldn't have fall. stumbeled
Perfect en V-ing
I couldn't have been fall. stumbeling you couldn't have been fall. stumbeling he couldn't have been fall. stumbeling we couldn't have been fall. stumbeling you couldn't have been fall. stumbeling they couldn't have been fall. stumbeling
Forme interrogative
Forme simple
could I fall. stumbel? could you fall. stumbel? could he fall. stumbel? could we fall. stumbel? could you fall. stumbel? could they fall. stumbel?
Forme en V-ing
could I be fall. stumbeling? could you be fall. stumbeling? could he be fall. stumbeling? could we be fall. stumbeling? could you be fall. stumbeling? could they be fall. stumbeling?
Perfect
could I have fall. stumbeled? could you have fall. stumbeled? could he have fall. stumbeled? could we have fall. stumbeled? could you have fall. stumbeled? could they have fall. stumbeled?
Perfect en V-ing
could I have been fall. stumbeling? could you have been fall. stumbeling? could he have been fall. stumbeling? could we have been fall. stumbeling? could you have been fall. stumbeling? could they have been fall. stumbeling?
Forme interro-négative
Forme simple
couldn't I fall. stumbel? couldn't you fall. stumbel? couldn't he fall. stumbel? couldn't we fall. stumbel? couldn't you fall. stumbel? couldn't they fall. stumbel?
Forme en V-ing
couldn't I be fall. stumbeling? couldn't you be fall. stumbeling? couldn't he be fall. stumbeling? couldn't we be fall. stumbeling? couldn't you be fall. stumbeling? couldn't they be fall. stumbeling?
Perfect
couldn't I have fall. stumbeled? couldn't you have fall. stumbeled? couldn't he have fall. stumbeled? couldn't we have fall. stumbeled? couldn't you have fall. stumbeled? couldn't they have fall. stumbeled?
Perfect en V-ing
couldn't I have been fall. stumbeling? couldn't you have been fall. stumbeling? couldn't he have been fall. stumbeling? couldn't we have been fall. stumbeling? couldn't you have been fall. stumbeling? couldn't they have been fall. stumbeling?